Amzer Rubberized Snap-On Crystal Hard Case for Motorola THEORY - 1 Pack - Frustration-Free Packaging - Black Spongy, heavy-duty, Rubberized Finish the snap on case from Amzer! Allows you to plug your charger, cable or headset without removing the case. All you do is snap the 2 pieces onto the device and your set! The casing is light-weight, strong and sturdy. Easy snap-on installation requires no additional tools.